Table 2.

Results (study 1) – solutions

NaF solutions
Parts per million (ppm) F in solution	0	12.5	25	50	100	200	400
Volume of titrant (ml)	14.39	10.70	10.03	8.88	8.25	7.80	7.49
% Reduction in dissolution	–	25.7	30.3	38.3	42.7	45.8	47.9

SnF2 solutions
Parts per million (ppm) in solution	Sn	0	38	76	151	227	379	757
	F	0	12	24	49	73	121	243
Volume of titrant (ml)		13.43	9.78	8.33	7.40	5.90	5.13	3.45
% Reduction in dissolution		–	27.2	38.0	44.9	56.1	61.8	74.3